I have the exact same problem.
I have 5 AIR-AP1832I-E-K9's sat on my desk unable to function past initial startup. When connecting to it through the console port it just repeats, "Config not syned to APs since no AP is present". I have tried reinstalling the update with a DHCP server and internet access available but still no luck.
I hope Cisco fixes this bug soon as I have 5 very expensive paperweights.
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